{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1507763636",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b6457ea6fcb15646ff134dd101b4611194b3f15da58197b6fff15bd41246556",
    "signature": "0x002aa731bc507ac7e43220a0164ea4594a09c1b65dfa722b32b069c1765778601e7a10453a55b7be45ba1b9c90f6443c83471abe0d375b045e4bb76775f4a01c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}